although the mechanisms under which sex ratio is controlled in nature remain unknown, researchers have attempted to treat sperm in an effort to predetermine the sex of the offspring. the methods of sperm separation that have been repeatedly reported to isolate fractions rich in x- or y-chromosome bearing sperm are serum albumin gradient swim-up and flow cytometry. however, the ability of the se...

the abilities of aspergillus niger and serpula himantioides to immobilize lead (pb) from lead sulphide (pbs) were investigated. upon growth on potato dextrose agar (pda) amended with pbs which contained 10mm pb, no visible solubilization activity was detected. a. niger produced biomass in greater quantity compared to s. himantiodes in both experimental and control media. with a ratio of 1.13, a...

California Bearing Ratio (CBR) is defined as a ratio expressed in percentage of force per unit area required to penetrate a soil mass with a circular plunger of 50 mm diameter at the rate of 1.25 mm/min to that required for corresponding penetration in a standard material. The ratio is usually determined for penetration of 2.5 and 5 mm. Where the ratio at 5 mm is consistently higher than that a...

In this study, methods for data acquisition, analysis, modelling, and simulation of performance parameters in road cycling on real tracks were developed an evaluated. A simulator was designed to facilitate the measurement in a laboratory environment . The simulation included real height profiles and a video playback that was synchronised with the cyclist’s current virtual position on the track ...

UNLABELLED The aim of the present study was to investigate asialoglycoprotein receptor (ASGP-R) status in tumor-bearing livers and early after their sectorial resection employing 99mTc-DTPA-galactosyl human serum albumin (99mTc-GSA) dynamic SPECT. METHODS Ten normal liver controls and 44 liver tumor patients who underwent sectorial hepatectomy were included in the study. 99mTc-GSA dynamic SPE...

This paper introduces a wavelet based, nonparametric statistical method for the detection of characteristic signals embedded in noise-polluted vibrational response signals. A case study is described in which this technique is applied to the task of identi~ying localised defects on the raceways of the roller bearings inside an automotive gearbox, assuming that during operation a transient impuls...

The mechanism of wasting, as it occurs in malignant diseases and various etiologically unrelated conditions, is still poorly understood. We have, therefore, studied putative cause/effect relationships in a murine model of cancer cachexia, C57BL/6 mice bearing the fibrosarcoma MCA-105. The plasma of these mice showed decreased albumin and increased glutamate levels, which are typically found in ...

Abstract The effect of texturing area on the friction properties partially textured bearing at different rotational speeds was investigated theoretically. Four configurations are limited surface from oil film fracture zone smooth (200º to 360º) in direction with eccentricity ratios. results show that coefficient can be reduced compared bearing. decreases greater increasing texture depth fixed s...

Theoretical predictions were made for the dynamic performance of a tangential flux magnetic thrust bearing. A prototype bearing was built with the stators and rotors made from tape wound strip. The performance of this bearing was measured and compared to the theoretical predictions and also to the performance of a radial flux thrust bearing. Tangential flux bearings are intrinsically amenable t...

The mechanism of wasting, as it occurs in malignant diseases and various etiologically unrelated conditions, is still poorly understood. We have, therefore, studied putative cause/effect relationships in a murine model of cancer cachexia, C57BL/6 mice bearing the fibrosarcoma MCA105. The plasma of these mice showed decreased albumin and increased glutamate levels, which are typically found in p...